Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772922 | One-piece inner nozzle and clamping device for holding such a nozzle | Vincent Boisdequin, Calogero Lattuca, Mariano Collura | 2004-08-10 |
| 6681964 | Grooved refractory pouring tube for metallurgical casting, assembly of refractory components, casting installation and process for repairing the surface of a refractory component | Luigi Borgosano | 2004-01-27 |
| 6672490 | Grooved refractory tube for metallurgical casting, assembly of refractory components and casting installation incorporating such an assembly | Luigi Borgosano | 2004-01-06 |